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/*******************************************************************************
* Copyright (c) 2007 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package com.windriver.debug.tcf.ui.model;
import java.util.HashMap;
import java.util.Map;
public class TCFChildren {
final TCFNode node;
final Map<String,TCFNode> children = new HashMap<String,TCFNode>();
protected boolean valid;
TCFChildren(TCFNode node) {
this.node = node;
}
void dispose() {
TCFNode a[] = children.values().toArray(new TCFNode[children.size()]);
for (int i = 0; i < a.length; i++) a[i].dispose();
assert children.isEmpty();
}
void dispose(String id) {
children.remove(id);
}
void doneValidate(Map<String,TCFNode> new_children) {
assert !node.disposed;
assert !valid;
valid = true;
if (children.size() > 0) {
TCFNode[] a = children.values().toArray(new TCFNode[children.size()]);
for (TCFNode n : a) if (new_children.get(n.id) != n) n.dispose();
}
for (TCFNode n : new_children.values()) {
assert n.parent == node;
children.put(n.id, n);
}
assert children.size() == new_children.size();
}
boolean validate() {
doneValidate(new HashMap<String,TCFNode>());
return true;
}
void invalidate() {
assert !node.disposed;
TCFNode[] a = children.values().toArray(new TCFNode[children.size()]);
for (int i = 0; i < a.length; i++) a[i].invalidateNode();
valid = false;
}
int size() {
return children.size();
}
TCFNode[] toArray() {
return children.values().toArray(new TCFNode[children.size()]);
}
}
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